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Because the AWS Certified DevOps Engineer - Professional (DOP-C02) test has a restricted time constraint, time management must be exercised to get success. Only with enough practice one can answer real Amazon DOP-C02 Exam Questions in a given amount of time. It has created three formats to aid Amazon DOP-C02 applicants in practicing and organizing their time for this aim.
| Section | Weight | Objectives |
|---|---|---|
| Incident and Event Management | 18% | - Operational response and recovery
|
| Monitoring and Logging | 15% | - Observability and metrics
|
| Resilient Cloud Solutions | 15% | - High availability and fault tolerance design
|
| Security and Compliance Automation | 13% | - Security automation in CI/CD and infrastructure
|
| SDLC Automation | 22% | - CI/CD pipeline design and implementation
|
| Configuration Management and Infrastructure as Code | 17% | - Infrastructure provisioning and automation
|
The customizable mock tests make an image of a real-based AWS Certified DevOps Engineer - Professional (DOP-C02) exam which is helpful for you to overcome the pressure of taking the final examination. Customers of Dumpcollection can take multiple AWS Certified DevOps Engineer - Professional (DOP-C02) practice tests and improve their preparation to achieve the DOP-C02 Certification. You can even access your previously given tests from the history, which allows you to be careful while giving the mock test next time and prepare for AWS Certified DevOps Engineer - Professional (DOP-C02) certification in a better way.
NEW QUESTION # 61
A company is running a custom-built application that processes records. All the components run on Amazon EC2 instances that run in an Auto Scaling group. Each record's processing is a multistep sequential action that is compute-intensive. Each step is always completed in 5 minutes or less.
A limitation of the current system is that if any steps fail, the application has to reprocess the record from the beginning The company wants to update the architecture so that the application must reprocess only the failed steps.
What is the MOST operationally efficient solution that meets these requirements?
Answer: A
Explanation:
Use AWS Step Functions to Orchestrate Processing:
* AWS Step Functions allow you to build distributed applications by combining AWS Lambda functions or other AWS services into workflows.
* Decoupling the processing into Step Functions tasks enables you to retry individual steps without reprocessing the entire record.
Architectural Steps:
* Create a web applicationto pass records to AWS Step Functions:
* The web application can be a simple frontend that receives input and triggers the Step Functions workflow.
* Define a Step Functions state machine:
* Each step in the state machine represents a processing stage. If a step fails, Step Functions can retry the step based on defined conditions.
* Use AWS Lambda functions:
* Lambda functions can be used to handle each processing step. These functions can be stateless and handle specific tasks, reducing the complexity of error handling and reprocessing logic.
Operational Efficiency:
* Using Step Functions and Lambda improves operational efficiency by providing built-in error handling, retries, and state management.
* This architecture scales automatically and isolates failures to individual steps, ensuring only failed steps are retried.
References:
* AWS Step Functions
* Building Workflows with Step Functions
NEW QUESTION # 62
A company is examining its disaster recovery capability and wants the ability to switch over its daily operations to a secondary AWS Region. The company uses AWS CodeCommit as a source control tool in the primary Region.
A DevOps engineer must provide the capability for the company to develop code in the secondary Region. If the company needs to use the secondary Region, developers can add an additional remote URL to their local Git configuration.
Which solution will meet these requirements?
Answer: C
Explanation:
The best solution to meet the disaster recovery capability and allow developers to switch over to a secondary AWS Region for code development is option A. This involves creating a CodeCommit repository in the secondary Region and setting up an AWS CodeBuild project to perform a Git mirror operation of the primary Region's CodeCommit repository to the secondary Region's repository. An AWS Lambda function is then created to invoke the CodeBuild project. Additionally, an Amazon EventBridge rule is configured to react to merge events in the primary Region's CodeCommit repository and invoke the Lambda function12. This setup ensures that the secondary Region's repository is always up-to-date with the primary repository, allowing for a seamless transition in case of a disaster recovery event1.
AWS CodeCommit User Guide on resilience and disaster recovery1.
AWS Documentation on monitoring CodeCommit events in Amazon EventBridge and Amazon CloudWatch Events2.
NEW QUESTION # 63
A developer is creating a proof of concept for a new software as a service (SaaS) application. The application is in a shared development AWS account that is part of an organization in AWS Organizations .
The developer needs to create service-linked IAM roles for the AWS services that are being considered for the proof of concept. The solution needs to give the developer the ability to create and configure the service- linked roles only .
Which solution will meet these requirements?
Answer: D
Explanation:
To allow only creation/configuration of service-linked roles , you need a way to tightly scope what IAM actions the developer can perform. The most AWS-appropriate mechanism for "delegate limited IAM admin" is a role with a permissions boundary :
* A permissions boundary sets the maximum permissions the role (and any roles it creates, depending on design) can ever have. This is a standard pattern to safely delegate IAM tasks without granting broad IAM administration.
* You can define the role's policy + boundary so the developer can call only the APIs required for service-linked roles (for example actions like creating service-linked roles and passing only allowed AWS service principals), while preventing general role/policy creation outside that scope.
Why the others don't meet "service-linked roles only":
* A is vague ("common services") and cross-account access doesn't inherently restrict to only service- linked roles. It's also more operational overhead than needed for a single dev account use case.
* B PowerUserAccess is far too broad and does not restrict to service-linked roles.
* C An SCP with Deny iam:* would block IAM entirely (including what the developer needs). Even if refined, SCPs set account-wide guardrails and are not the right tool to grant a single developer the precise ability to create only service-linked roles.
NEW QUESTION # 64
A company is using an Amazon Aurora cluster as the data store for its application. The Aurora cluster is configured with a single DB instance. The application performs read and write operations on the database by using the cluster's instance endpoint.
The company has scheduled an update to be applied to the cluster during an upcoming maintenance window.
The cluster must remain available with the least possible interruption during the maintenance window.
What should a DevOps engineer do to meet these requirements?
Answer: B
Explanation:
To meet the requirements, the DevOps engineer should do the following:
* Turn on the Multi-AZ option on the Aurora cluster.
* Update the application to use the Aurora cluster endpoint for write operations.
* Update the Aurora cluster's reader endpoint for reads.
Turning on the Multi-AZ option will create a replica of the database in a different Availability Zone. This will ensure that the database remains available even if one of the Availability Zones is unavailable.
Updating the application to use the Aurora cluster endpoint for write operations will ensure that all writes are sent to both the primary and replica databases. This will ensure that the data is always consistent.
Updating the Aurora cluster's reader endpoint for reads will allow the application to read data from the replica database. This will improve the performance of the application during the maintenance window.
NEW QUESTION # 65
A company uses an Amazon Elastic Kubernetes Service (Amazon EKS) cluster to deploy its web applications on containers. The web applications contain confidential data that cannot be decrypted without specific credentials.
A DevOps engineer has stored the credentials in AWS Secrets Manager. The secrets are encrypted by an AWS Key Management Service (AWS KMS) customer managed key. A Kubernetes service account for a third-party tool makes the secrets available to the applications. The service account assumes an IAM role that the company created to access the secrets.
The service account receives an Access Denied (403 Forbidden) error while trying to retrieve the secrets from Secrets Manager.
What is the root cause of this issue?
Answer: A
Explanation:
Accessing a secret from AWS Secrets Manager that is encrypted with a customer managed KMS key requires two distinct permission layers to succeed:
Secrets Manager permissions (via IAM) such as secretsmanager:GetSecretValue for the IAM role assumed by the Kubernetes service account.
KMS key usage permissions in the KMS key policy, allowing the same IAM principal to perform kms:Decrypt (and possibly kms:GenerateDataKey) on the customer managed key.
In this scenario, the service account assumes an IAM role explicitly created to access the secrets. The symptom is an HTTP 403 "Access Denied" when retrieving the secret. If the IAM role has Secrets Manager permissions but the call still fails, the typical root cause is that the KMS key policy does not trust or allow that IAM role, so the decrypt operation fails.
Option B correctly identifies that the KMS key policy must include the Kubernetes service account IAM role as a principal with the appropriate KMS actions.
Option A and C refer to the EKS cluster IAM role, which is not the principal making the call. Option D is unrelated: the role's ability to "access the EKS cluster" does not affect its ability to call Secrets Manager or KMS. The missing KMS key policy permission is the underlying cause.
NEW QUESTION # 66
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